Interpreting Data on a Dot Plot

Front

What does each dot represent in a dot plot?

Back

Each dot represents one individual data point or unit, such as one day in a time series.

Front

How do you calculate the total number of days recorded in a dot plot?

Back

Count the total number of dots on the plot; each dot represents one day.

Front

What is the range in a data set?

Back

The range is the difference between the highest and lowest values in the data set.

Front

How do you find the median of a data set?

Back

Arrange the data in numerical order and find the middle value. If there are two middle values, calculate their average.

Front

What is a measure of center in statistics?

Back

A measure of center summarizes a data set with a single value, such as the mean or median.

Front

What is variation in a data set?

Back

Variation refers to how spread out the data points are in a data set.

Front

What does a double dot plot compare?

Back

A double dot plot compares two different data sets, showing their distributions side by side.

Front

What does it mean if two data sets have the same median?

Back

It means that the middle value of both data sets is the same, indicating a similar central tendency.

Front

How do you interpret the wait times in a double dot plot?

Back

Compare the heights of the dots for each ride to determine which ride has longer wait times.

Front

What is the difference between two medians?

Back

Subtract one median from the other to find the difference in central tendency between the two data sets.